title: Preparation of Ag nanoparticle-decorated poly(m-phenylenediamine) microparticles and their application for hydrogen peroxide detection.
abstract: The chemical oxidation polymerization of m-phenylenediamine (MPD) by ammonium persulfate (APS) at room temperature results in the formation of poly(m-phenylenediamine) (PMPD) microparticles. The subsequent treatment of such microparticles with an aqueous AgNO(3) solution produces Ag nanoparticle (AgNP)-decorated PMPD microparticles. It was found that as-formed AgNPs exhibited remarkable catalytic performance toward the reduction of hydrogen peroxide (H(2)O(2)). The enzymeless H(2)O(2) sensor constructed with such composites showed a fast amperometric response time of less than 5 s, and the corresponding linear range and detection limit were estimated to be from 0.1 to 30 mM and 4.7 µM, respectively, at a signal-to-noise ratio of 3.
authors.affiliation: State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China.
authors.forename: Jingqi
authors.initials: J
authors.lastname: Tian
authors.forename: Hailong
authors.initials: H
authors.lastname: Li
authors.forename: Wenbo
authors.initials: W
authors.lastname: Lu
authors.forename: Yonglan
authors.initials: Y
authors.lastname: Luo
authors.forename: Lei
authors.initials: L
authors.lastname: Wang
authors.forename: Xuping
authors.initials: X
authors.lastname: Sun